fix: skip property tests if hypothesis not installed

Author: nikolay-e

tests/test_properties.py

@@ -1,7 +1,11 @@
 import tempfile
 from pathlib import Path
 
+import pytest
 import yaml
+
+pytest.importorskip("hypothesis")
+
 from hypothesis import given, settings
 from hypothesis import strategies as st
 
@@ -16,6 +20,8 @@
     max_size=30,
 )
 
+pattern_text = st.text(min_size=0, max_size=50).filter(lambda x: "\n" not in x and "\r" not in x)
+
 
 @given(st.text(max_size=5000))
 @settings(max_examples=100)
@@ -45,9 +51,6 @@ def test_text_file_not_detected_as_binary(data):
         assert _is_binary_file(f) is False
 
 
-pattern_text = st.text(min_size=0, max_size=50).filter(lambda x: "\n" not in x and "\r" not in x)
-
-
 @given(st.lists(pattern_text, min_size=0, max_size=20))
 @settings(max_examples=100)
 def test_ignore_patterns_roundtrip(patterns):